OK, thanks.
But somehow complicated. I wonder If I couldn't (miss)use the UPDATE_COMMAND
for this.
Can I use a macro as UPDATE_COMMAND?
My CMakeLists.txt looks like that right now:
include(ExternalProject)
SET(subprojects "core0" "core1" "core2")
foreach(MYPROJ ${subprojects})
ExternalProject_Add(
${MYPROJ}
SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/${MYPROJ}
CMAKE_ARGS
-DCMAKE_TOOLCHAIN_FILE=${CMAKE_CURRENT_SOURCE_DIR}/MyToolChain.cmake
UPDATE_COMMAND ""
INSTALL_COMMAND ""
)
ExternalProject_Add_Step(${MYPROJ} rescan
COMMAND ${CMAKE_COMMAND} -E touch
${CMAKE_CURRENT_SOURCE_DIR}/${MYPROJ}/CMakeLists.txt
DEPENDEES forcebuild
DEPENDERS build
ALWAYS 1
)
ExternalProject_Add_Step(${MYPROJ} forcebuild
COMMAND ${CMAKE_COMMAND} -E remove
${CMAKE_CURRENT_BUILD_DIR}/${MYPROJ}-prefix/src/${MYPROJ}-stamp/${MYPROJ}-build
DEPENDEES configure
DEPENDERS rescan
ALWAYS 1
)
endforeach(MYPROJ)
I tried to play a little bit around with the prefix dir to make this a little
bit more sens full,
but not a real success so far. Any better Idea?
Next I need to link the Outputs of the three cores together.
Can I somehow automatically get the targets from each subproject?
I also like to improve the "touch" thing for my globbing procedure, but maybe I
will discuss this
separately in an other thread.
thanks
Arne
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